“…(2) In the second series the treatment of 156 cases with terramycin, aureomycin, streptomycin sulphate, and chloramphenicol was randomized (Table III). Symptoms For convenience of -description the cases are classified as " Acute " and " Subacute " (Waelsch, 1904), but it must be remembered that there are intermediate types. In the acute variety of the disease, which usually has a short incubation period of 1 to 2 days, the discharge is profuse, often purulent, and indistinguishable from that in gonorrhoea; it is sometimes haemorrhagic.…”